66881925

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:531

約数の個数: 72

約数和(自身を含む): 133125408

約数和(自身を除く): 66243483

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 165, 183, 225, 275, 305, 443, 495, 549, 671, 825, 915, 1329, 1525, 2013, 2215, 2475, 2745, 3355, 3987, 4575, 4873, 6039, 6645, 10065, 11075, 13725, 14619, 16775, 19935, 24365, 27023, 30195, 33225, 43857, 50325, 73095, 81069, 99675, 121825, 135115, 150975, 219285, 243207, 297253, 365475, 405345, 675575, 891759, 1096425, 1216035, 1486265, 2026725, 2675277, 4458795, 6080175, 7431325, 13376385, 22293975, 66881925]

約数ペア:

[(1, 66881925), (3, 22293975), (5, 13376385), (9, 7431325), (11, 6080175), (15, 4458795), (25, 2675277), (33, 2026725), (45, 1486265), (55, 1216035), (61, 1096425), (75, 891759), (99, 675575), (165, 405345), (183, 365475), (225, 297253), (275, 243207), (305, 219285), (443, 150975), (495, 135115), (549, 121825), (671, 99675), (825, 81069), (915, 73095), (1329, 50325), (1525, 43857), (2013, 33225), (2215, 30195), (2475, 27023), (2745, 24365), (3355, 19935), (3987, 16775), (4575, 14619), (4873, 13725), (6039, 11075), (6645, 10065)]